| Acronym | Definition |
|---|
| DDEM➣Doki Doki Exit Music |
| DDEM➣Direct Democracy European Movement |
| DDEM➣Donor-Donor Energy Migration |
| DDEM➣Division of Diabetes, Endocrinology and Metabolic Diseases (National Institute of Diabetes and Digestive and Kidney Diseases; more commonly seen as DDEMD) |